HK32F103RBT6

{
  "schema_version": 1,
  "type": "component",
  "slug": "hk32f103rbt6",
  "title": "HK32F103RBT6",
  "brief": "HK Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "embedded processors & controllers",
    "hk32f103rbt6",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HK32F103RBT6",
    "manufacturer": "HK",
    "package": "LQFP-64(10x10)",
    "pin_count": 64,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886772378320896",
    "parts": {
      "symbol": "hk32f103rbt6.kicad_sym",
      "footprint": "hk32f103rbt6.kicad_mod",
      "model_3d": "hk32f103rbt6-hero.glb",
      "model_3d_plain": "hk32f103rbt6-etched.glb",
      "model_3d_step": "hk32f103rbt6-etched.step",
      "model_3d_step_plain": "hk32f103rbt6.step",
      "lbr": "hk32f103rbt6.lbr"
    },
    "distributor_links": {
      "lcsc": "C482565"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T06:27:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup-domain supply of 1.8 V to 5.5 V that powers the RTC, the external 32 kHz oscillator and backup registers when VDD is off."
      },
      {
        "number": "2",
        "name": "PC13",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN13) with alternate functions TAMPERIN and RTCO."
      },
      {
        "number": "3",
        "name": "PC14",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN14) with alternate function OSC32_IN for the 32.768 kHz LSE oscillator input."
      },
      {
        "number": "4",
        "name": "PC15",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN15) with alternate function OSC32_OUT for the 32.768 kHz LSE oscillator output."
      },
      {
        "number": "5",
        "name": "PD0",
        "type": "bidirectional",
        "description": "Pin listed with main function OSC_IN for the external HSE oscillator (4 to 16 MHz crystal) and GPIO name PD0."
      },
      {
        "number": "6",
        "name": "PD1",
        "type": "bidirectional",
        "description": "Pin listed with main function OSC_OUT for the external HSE oscillator output and GPIO name PD1."
      },
      {
        "number": "7",
        "name": "NRST",
        "type": "bidirectional",
        "description": "External active reset pin, typed I/O in the datasheet; an NRST reset signal exits Standby mode."
      },
      {
        "number": "8",
        "name": "PC0",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN0) with analog input ADC12_IN10."
      },
      {
        "number": "9",
        "name": "PC1",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN1) with analog input ADC12_IN11."
      },
      {
        "number": "10",
        "name": "PC2",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN2) with analog input ADC12_IN12."
      },
      {
        "number": "11",
        "name": "PC3",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN3) with analog input ADC12_IN13."
      },
      {
        "number": "12",
        "name": "VSSA",
        "type": "power_in",
        "description": "Analog ground for the ADC and temperature sensor, shown in the datasheet as double-bonded with VREFN."
      },
      {
        "number": "13",
        "name": "VDDA",
        "type": "power_in",
        "description": "Analog supply of 2.0 V to 5.5 V for the ADC and temperature sensor, shown in the datasheet as double-bonded with VREFP."
      },
      {
        "number": "14",
        "name": "PA0",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN0) with alternate functions ADC12_IN0, TIM2_CH1_ETR, USART2_CTS and WKUP."
      },
      {
        "number": "15",
        "name": "PA1",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN1) with alternate functions ADC12_IN1, TIM2_CH2 and USART2_RTS."
      },
      {
        "number": "16",
        "name": "PA2",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN2) with alternate functions ADC12_IN2, TIM2_CH3 and USART2_TX."
      },
      {
        "number": "17",
        "name": "PA3",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN3) with alternate functions ADC12_IN3, TIM2_CH4 and USART2_RX."
      },
      {
        "number": "18",
        "name": "VSS_4",
        "type": "power_in",
        "description": "Ground pin for the digital I/O and core supply domain."
      },
      {
        "number": "19",
        "name": "VDD_4",
        "type": "power_in",
        "description": "Digital supply of 2.0 V to 5.5 V for the I/O pins and internal LDO."
      },
      {
        "number": "20",
        "name": "PA4",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN4) with alternate functions ADC12_IN4, SPI_NSS and USART2_CK."
      },
      {
        "number": "21",
        "name": "PA5",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN5) with alternate functions ADC12_IN5 and SPI_SCK."
      },
      {
        "number": "22",
        "name": "PA6",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN6) with alternate functions ADC12_IN6, SPI_MISO, TIM3_CH1 and TIM1_BKIN."
      },
      {
        "number": "23",
        "name": "PA7",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN7) with alternate functions ADC12_IN7, SPI_MOSI, TIM3_CH2 and TIM1_CH1N."
      },
      {
        "number": "24",
        "name": "PC4",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN4) with analog input ADC12_IN14."
      },
      {
        "number": "25",
        "name": "PC5",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN5) with analog input ADC12_IN15."
      },
      {
        "number": "26",
        "name": "PB0",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN0) with alternate functions ADC12_IN8, TIM3_CH3 and TIM1_CH2N."
      },
      {
        "number": "27",
        "name": "PB1",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN1) with alternate functions ADC12_IN9, TIM3_CH4 and TIM1_CH3N."
      },
      {
        "number": "28",
        "name": "PB2/BOOT1",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN2) that also carries the BOOT1 boot-mode function."
      },
      {
        "number": "29",
        "name": "PB10",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN10) with alternate functions I2C2_SCL, USART3_TX and TIM2_CH3."
      },
      {
        "number": "30",
        "name": "PB11",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN11) with alternate functions I2C2_SDA, USART3_RX and TIM2_CH4."
      },
      {
        "number": "31",
        "name": "VSS_1",
        "type": "power_in",
        "description": "Ground pin for the digital I/O and core supply domain."
      },
      {
        "number": "32",
        "name": "VDD_1",
        "type": "power_in",
        "description": "Digital supply of 2.0 V to 5.5 V for the I/O pins and internal LDO."
      },
      {
        "number": "33",
        "name": "PB12",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN12) with alternate functions TIM1_BKIN, SPI2_NSS, USART2_CK and I2C2_SMBA."
      },
      {
        "number": "34",
        "name": "PB13",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN13) with alternate functions TIM1_CH1N, SPI2_SCK and USART2_CTS."
      },
      {
        "number": "35",
        "name": "PB14",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN14) with alternate functions TIM1_CH2N, SPI2_MISO and USART2_RTS."
      },
      {
        "number": "36",
        "name": "PB15",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN15) with alternate functions TIM1_CH3N and SPI2_MOSI."
      },
      {
        "number": "37",
        "name": "PC6",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN6) with alternate function TIM3_CH1."
      },
      {
        "number": "38",
        "name": "PC7",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN7) with alternate function TIM3_CH2."
      },
      {
        "number": "39",
        "name": "PC8",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN8) with alternate function TIM3_CH3."
      },
      {
        "number": "40",
        "name": "PC9",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN9) with alternate function TIM3_CH4."
      },
      {
        "number": "41",
        "name": "PA8",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN8) with alternate functions TIM1_CH1, USART1_CK and MCO."
      },
      {
        "number": "42",
        "name": "PA9",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN9) with alternate functions TIM1_CH2 and USART1_TX."
      },
      {
        "number": "43",
        "name": "PA10",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN10) with alternate functions TIM1_CH3 and USART1_RX."
      },
      {
        "number": "44",
        "name": "PA11",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN11) with alternate functions TIM1_CH4, USART1_CTS, USBDM and CANRX."
      },
      {
        "number": "45",
        "name": "PA12",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN12) with alternate functions TIM1_ETR, USART1_RTS, USBDP and CANTX."
      },
      {
        "number": "46",
        "name": "PA13",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN13) with alternate function JTMS/SWDIO for serial-wire debug data."
      },
      {
        "number": "47",
        "name": "VSS_2",
        "type": "power_in",
        "description": "Ground pin for the digital I/O and core supply domain."
      },
      {
        "number": "48",
        "name": "VDD_2",
        "type": "power_in",
        "description": "Digital supply of 2.0 V to 5.5 V for the I/O pins and internal LDO."
      },
      {
        "number": "49",
        "name": "PA14",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN14) with alternate function JTCK/SWCLK for serial-wire debug clock."
      },
      {
        "number": "50",
        "name": "PA15",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN15) with alternate functions JTDI, TIM2_CH1_ETR and SPI1_NSS."
      },
      {
        "number": "51",
        "name": "PC10",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN10) with alternate function USART3_TX."
      },
      {
        "number": "52",
        "name": "PC11",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN11) with alternate function USART3_RX."
      },
      {
        "number": "53",
        "name": "PC12",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN12) with alternate function USART3_CK."
      },
      {
        "number": "54",
        "name": "PD2",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN2) with alternate function TIM3_ETR."
      },
      {
        "number": "55",
        "name": "PB3",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN3) with alternate functions JTDO, TRACESWO, TIM2_CH2 and SPI1_SCK."
      },
      {
        "number": "56",
        "name": "PB4",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN4) with alternate functions NJTRST, TIM3_CH1 and SPI1_MISO."
      },
      {
        "number": "57",
        "name": "PB5",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN5) with alternate functions I2C1_SMBA, TIM3_CH2 and SPI1_MOSI."
      },
      {
        "number": "58",
        "name": "PB6",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN6) with alternate functions I2C1_SCL, TIM4_CH1 and USART1_TX."
      },
      {
        "number": "59",
        "name": "PB7",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN7) with alternate functions I2C1_SDA, TIM4_CH2 and USART1_RX."
      },
      {
        "number": "60",
        "name": "BOOT0",
        "type": "input",
        "description": "Boot-mode selection pin sampled at startup to choose user flash, system memory or internal SRAM boot."
      },
      {
        "number": "61",
        "name": "PB8",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN8) with alternate functions TIM4_CH3, I2C1_SCL and CANRX."
      },
      {
        "number": "62",
        "name": "PB9",
        "type": "bidirectional",
        "description": "GPIO (up to 20 mA drive, external interrupt EXTIN9) with alternate functions TIM4_CH4, I2C1_SDA and CANTX."
      },
      {
        "number": "63",
        "name": "VSS_3",
        "type": "power_in",
        "description": "Ground pin for the digital I/O and core supply domain."
      },
      {
        "number": "64",
        "name": "VDD_3",
        "type": "power_in",
        "description": "Digital supply of 2.0 V to 5.5 V for the I/O pins and internal LDO."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pins 5 and 6 are laid out in the table with OSC_IN/OSC_OUT in the main-function column and PD0/PD1 i; The datasheet types NRST as I/O; it is kept as bidirectional to match the table. A reset pin is ofte; Pins 12 and 13 are double-bonded with VREFN and VREFP per the table; the datasheet does not define s"
        ],
        "pages_sent": 37,
        "cost_usd": 0.146,
        "at": "2026-10-18T06:24:05"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588886772378320896",
        "pages": 37,
        "sha256": "d4f341ea3cc128ae",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 64,
        "described": 64,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "hk32f103rbt6.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b0c827bc5c05552175d28affe44a5bd2ab45c9c36efff6ff07a74cc449b13db4",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hk32f103rbt6-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "16a459ab634862d4ebe93f5f32b4b87ea618272b9aade8a7d41cb0d02fce74a3",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HK",
      "Package": "LQFP-64(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "64"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "d4f341ea3cc128ae6bcd340d915405b7e848dcac2bd4836282097625d19e4ca9",
      "rows": [
        {
          "name": "External main supply voltage (VDD and VDDA, relative to VSS)",
          "symbol": "VDD-VSS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Voltage difference between different supply pins",
          "symbol": "|ΔVDDx|",
          "kind": "absolute_maximum",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Voltage difference between different ground pins",
          "symbol": "|VSSX −VSS|",
          "kind": "absolute_maximum",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Total current through VDD/VDDA supply line (supply current)",
          "symbol": "IVDD",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Total current through VSS ground line (outflow current)",
          "symbol": "IVSS",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Output sink current on any I/O and control pin",
          "symbol": "IIO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Output source current on any I/O and control pin",
          "symbol": "IIO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -25,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Injection current on a pin",
          "symbol": "IINJ(PIN)",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Total injection current on all I/O and control pins",
          "symbol": "ΣIINJ(PIN)",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -45,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Maximum junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 18,
          "source": "datasheet"
        },
        {
          "name": "Internal AHB clock frequency",
          "symbol": "fHCLK",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 0,
          "typ": null,
          "max": 96,
          "conditions": "",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Internal APB1 clock frequency",
          "symbol": "fPCLK1",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 0,
          "typ": null,
          "max": 48,
          "conditions": "",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Internal APB2 clock frequency",
          "symbol": "fPCLK2",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 0,
          "typ": null,
          "max": 96,
          "conditions": "",
          "source_page": 19,
          "source": "datasheet"
        },
        {
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